Mn2+-activated NaYF4: Yb, Er red-emitting nanophosphors for accurate latent fingerprint identification by an Artificial Intelligence program

G Lu, R Qin, D Zhai, T Wan, J Jiang, D Zhang… - Journal of Alloys and …, 2024 - Elsevier
The development and comparison of Latent Fingerprint Patterns (LFPs) constitute critical
components of research in fingerprint detection and identification. However, the …

Investigating Fe-doped yttrium oxide nanophosphors for enhanced latent fingerprint visualization and deep learning analysis

BRR Krushna, HH Chiu, MK Ho, TE Hsu, BL Lyu… - Materials Today …, 2024 - Elsevier
In the study, synthesized Fe 3+ doped yttrium oxide nanophosphors (Y 2 O 3: Fe NPs, 1–11
mol%), including structural, microstructural, chemical state, optical, thermal, and …

[HTML][HTML] Dual-mode fluorescent development of latent fingerprints using NaYbF4: Tm upconversion nanomaterials

M Wang, D Shen, Z Zhu, J Ju, J Wu, Y Zhu, M Li… - Materials Today …, 2020 - Elsevier
Latent fingerprint development plays an important role in forensic sciences. In the last two
decades, various fluorescent nanomaterials have been used to develop latent fingerprints …

Highly efficient latent fingerprint detection from NaYF4: Eu down-shifting microparticles

VD Tan, NB Tong, NT Van Quynh, CTM Dung… - Ceramics …, 2023 - Elsevier
Each person's latent fingerprints (LFP) are unique and hardly change, so LFP detection
provides essential clues in forensic science. Currently, the powder dusting method is being …

Simultaneous imaging of latent fingerprint and quantification of nicotine residue by NaYF4: Yb/Tm upconversion nanoparticles

Z Zhao, J Shen, M Wang - Nanotechnology, 2020 - iopscience.iop.org
Numerous investigations have been devoted to visualizing latent fingerprints (LFPs) for
personal identification in forensic investigation and age estimation. While simultaneous …

Orange–Red Emitting Sr9Al6O18:Pr3+ Nanophosphors for Advanced Latent Fingerprints and Security Ink

BN Swathi, BRR Krushna, K Manjunatha… - ACS Applied Nano …, 2023 - ACS Publications
This study presents the synthesis of orange–red emitting Sr9Al6O18: Pr3+ nanophosphors
(SAO: Pr3+ NPs) through the solution combustion process. Photoluminescence (PL) spectra …

Synthesis of Li+-ion activated NaYF4: Er3+/Yb3+ phosphors via a modified solid-state process for latent fingerprint detection

S Som, CY Yang, CH Lu, S Das - Ceramics International, 2019 - Elsevier
Abstract Li+-ion codoped NaYF 4: Er 3+/Yb 3+ phosphors (β-NaYF 4) with a hexagonal
structure were synthesized via a modified solid-state route. High-speed planetary ball milling …

Red and green colors emitting spherical-shaped calcium molybdate nanophosphors for enhanced latent fingerprint detection

LK Bharat, GSR Raju, JS Yu - Scientific Reports, 2017 - nature.com
We report the synthesis of spherical-shaped rare-earth (Eu3+ and Tb3+) ions doped
CaMoO4 nanoparticles in double solvents (IPA and H2O) with the help of autoclave. The X …

Upconversion Luminescence Materials for Latent Fingerprint Detection Applications in Forensic Science

R Krishnan, HC Swart - Upconversion Nanoparticles (UCNPs) for …, 2023 - Springer
Latent fingerprint signatures are the most prevalent type of evidence discovered during
crime scene investigations; thus, developing an effective technique for identifying …

The luminescent properties and latent fingerprint identification application of AlN: Ce, Tb phosphors

W Wang, X Lei, Z Ye, N Zhao, H Yang - Journal of Alloys and Compounds, 2017 - Elsevier
Abstract Ce 3+ and Tb 3+ ion co-doped aluminum nitride (AlN) phosphors were prepared by
a simple solid-state reaction. X-ray diffraction (XRD), high resolution transmission electron …